9-10高三·湖南岳阳·阶段练习
1 . 以下有关命题的说法错误的是
A.命题“若![]() ![]() ![]() ![]() |
B.“![]() ![]() |
C.若![]() ![]() |
D.对于命题![]() ![]() ![]() ![]() |
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2016-12-02更新
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1060次组卷
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8卷引用:2012届湖北省鄂州市第二中学高三期中考试文科数学
(已下线)2012届湖北省鄂州市第二中学高三期中考试文科数学(已下线)湖南省岳阳市一中2010届高三第九次质检数学试题(文)(已下线)2012届宁夏银川一中高三第一次月考理科数学试卷(已下线)2011-2012学年广东省翠园中学高二上学期期中考试理科数学(已下线)2011-2012学年江西省临川十中高二下学期期中考试理科数学试卷(已下线)2013届辽宁省丹东市宽甸二中高三上学期期末考试数学试卷2016届湖北省孝感高中高三9月调考文科数学试卷(已下线)2013-2014学年黑龙江省哈尔滨四中高二下学期期末考试文科数学试卷
2 .
三个学生参加了一次考试,
的得分均为
分,
的得分均为
分,已知命题
若及格分低于
分,则
都没有及格,在下列四个命题中,为
的逆否命题的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa86faa9bfef703aead8c2606684dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f64730802070a68d4f854b332a24814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa86faa9bfef703aead8c2606684dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
A.若及格分不低于![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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解题方法
3 . 命题“若函数
(
,
),在其定义域内是减函数,则
”逆命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a04546d92fd165fc1ad2cc82c2dbb25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6a67124ac652528552a04925f2db3b3.png)
A.若![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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4 . 下列判断错误的是
A.“![]() ![]() |
B.若![]() ![]() ![]() |
C.函数![]() ![]() ![]() |
D.定义在![]() ![]() ![]() ![]() |
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5 . 已知命题
;命题
,给出下列结论:
(1)命题
是真命题;
(2)命题
是假命题;
(3)命题
是真命题;
(4)
是假命题.
其中正确的命题是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2c39db7b46599d931ec1650dd69800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9345ecb9870c4ec048aa4ae926ed69.png)
(1)命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a31351c3868449fd115650c13152be8.png)
(2)命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd024167e8c0c14d3814fb9f4a5298a.png)
(3)命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aad6752d95afd4b3e61e115023729621.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03f44748c7124df6779bef1ef5d1abd4.png)
其中正确的命题是
A.(2)(3) | B.(2)(4) | C.(3)(4) | D.(1)(2)(3) |
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6 . 下列说法中,正确的是
A.命题“若![]() ![]() |
B.设![]() ![]() ![]() ![]() ![]() |
C.命题“存在![]() ![]() ![]() ![]() |
D.设![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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7 . 下列选项中,说法正确的是
A.若命题“![]() ![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.命题“若![]() ![]() |
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8 . 对于函数①
;②
;③
.判断如下三个命题的真假:命题甲:
是偶函数;命题乙:
在区间
上是减函数,在区间
上是增函数;命题丙:
在
上是增函数,能使命题甲、乙、丙均为真的所有函数的序号是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb85a0a5efebea0a7d1ab438f1d6fe22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31309043a0f061ca5c83f98b23f770a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd1b82a8ab638fb240f1c9201d0eb0e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f25990e1d373ac30d7480633e47cc1ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a78e6dddfd7481100e46283c69bf70b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b5e402f725a71c3305bf3e72f72ded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf874c995ea54839c123fb7059e47079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ff4a1f5d3ad9d7668fe555e70b774c.png)
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9 . 已知函数
,
,给出下列3个命题:
:若
,则
的最大值为16.
:不等式
的解集为集合
的真子集.
:当
时,若
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
,
恒成立,则
.那么,这3个命题中所有的真命题是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d11d85741b2a78c4c8099e93182cbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04feb4c8471abaf404dee60276f37578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0be07495dbc744e1ecabac66f748218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0b669deac956c131bb17a1a68027409.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6114c9e15216f4646012c22346583c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f014f17c0af5a1b3506bf05fc428ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b21b872313f7d8c5b606981f954a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eda48853e8bdb7e266370b4e0d5a258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eecdd7e6a66d50fc9816e73ab5a8f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc2b4b73cd3b267de3aa9ed187601d2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb4503967e383ee3557537cd49bc4ad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b0f39a3ea986f67cf864d6e0906610.png)
A.![]() ![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() |
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